Oliveira, M. A. V. C., Borelli, J. K., Azevedo, K. C. M., Raposo, L. H. A., Araújo, L. B. de, & Tavares, N. R. N. O. (2017). Analysis of the presence of filling material in oval root canals using computed microtomography after endodontic retreatment performed by different techniques. Brazilian Journal of Oral Sciences, 16, 1–8. https://doi.org/10.20396/bjos.v16i0.8651185